<template>
  <div
    id="aCoursesList"
    class="bg-fa of"
  >
    <!-- 讲师列表 开始 -->
    <section class="container">
      <header class="comm-title all-teacher-title">
        <h2 class="fl tac">
          <span class="c-333">全部讲师</span>
        </h2>
        <section class="c-tab-title">
          <a
            id="subjectAll"
            title="全部"
            href="#"
          >全部</a>
          <!-- <c:forEach var="subject" items="${subjectList }">
<a id="${subject.subjectId}"
title="${subject.subjectName }" href="javascript:void(0)"
onclick="submitForm(${subject.subjectId})">${subject.subjectName }</a>
</c:forEach>-->
        </section>
      </header>
      <section class="c-sort-box unBr">
        <div>
          <!-- /无数据提示 开始-->
          <section
            class="no-data-wrap"
            v-if="data.total==0"
          >
            <em class="icon30 no-data-ico">&nbsp;</em>
            <span class="c-666 fsize14 ml10 vam">没有相关数据，小编正在努力整理中...</span>
          </section>
          <!-- /无数据提示 结束-->
          <article
            class="i-teacher-list"
            v-if="data.total>0"
          >
            <ul class="of">
              <li
                v-for="teacher in data.items"
                :key="teacher.id"
              >
                <section class="i-teach-wrap">
                  <div class="i-teach-pic">
                    <a
                      :href="'/teacher/'+teacher.id"
                      :title="teacher.name"
                      target="_blank"
                    >
                      <img
                        :src="teacher.avatar"
                        :alt="teacher.name"
                      >
                    </a>
                  </div>
                  <div class="mt10 hLh30 txtOf tac">
                    <a
                      :href="'/teacher/'+teacher.id"
                      :title="teacher.name"
                      target="_blank"
                      class="fsize18 c-666"
                    >{{teacher.name}}</a>
                  </div>
                  <div class="hLh30 txtOf tac">
                    <span class="fsize14 c-999">
                      {{teacher.intro}}
                    </span>
                  </div>
                  <div class="mt15 i-q-txt">
                    <p class="c-999 f-fA">{{teacher.career}}</p>
                  </div>
                </section>
              </li>
            </ul>
            <div class="clear"></div>
          </article>
        </div>
        <!-- 公共分页 开始 -->
        <div>
          <div class="paging">
            <!-- undisable:这个class是否存在，取决于数据属性hasPrevious undisable：能否被选中 -->
            <!-- @click.prevent 阻止标签默认行为，让a标签不执行跳转，执行方法 -->
            <a
              :class="{undisable: !data.hasPrevious}"
              href="#"
              title="首页"
              @click.prevent="gotoPage(1)"
            >首</a>
            <a
              :class="{undisable: !data.hasPrevious}"
              href="#"
              title="前一页"
              @click.prevent="gotoPage(data.current-1)"
            >&lt;</a>
            <a
              v-for="page in data.pages"
              :key="page"
              :class="{current: data.current == page, undisable: data.current == page}"
              :title="'第'+page+'页'"
              href="#"
              @click.prevent="gotoPage(page)"
            >{{ page }}</a>
            <a
              :class="{undisable: !data.hasNext}"
              href="#"
              title="后一页"
              @click.prevent="gotoPage(data.current+1)"
            >&gt;</a>
            <a
              :class="{undisable: !data.hasNext}"
              href="#"
              title="末页"
              @click.prevent="gotoPage(data.pages)"
            >末</a>
            <div class="clear" />
          </div>
        </div>
        <!-- 公共分页 结束 -->
      </section>
    </section>
    <!-- /讲师列表 结束 -->
  </div>
</template>
<script>
import teacherApi from '@/api/teacher';
export default {
  //异步调用 刚进入页面时调用一次
  //params:相当于之前的 this.$route.params.id  == 现在的params.id
  asyncData({ isDev, route, store, env, params, query, req, res, redirect, error }) {
    return teacherApi.getTeacherFrontList(1, 8)
      .then((result) => {
        return { data: result.data }
      })
  },
  methods: {
    //分页切换的方法
    gotoPage(page) {
      if (page > this.data.pages) {
        page = this.data.pages
      }
      teacherApi.getTeacherFrontList(page, 8)
        .then((result) => {
          this.data = result.data
        })
    }
  },
};
</script>